Ann Lab Med. 2017 May;37(3):240-247. doi: 10.3343/alm.2017.37.3.240.
Performance of an Automated Fluorescence Antinuclear Antibody Image Analyzer
Yoo IY11, Oh JW1, Cha HS2, Koh EM2, Kang ES3.

PLoS One. 2017 Apr 19;12(4):e0176260. doi: 10.1371/journal.pone.0176260. eCollection 2017.
Comorbidities of rheumatoid arthritis: Results from the Korean National Health and Nutrition Examination Survey
Jeong H11, Baek SY2, Kim SW2, Eun YH1, Kim IY1, Kim H1, Lee J1, Koh EM1, Cha HS1.

J Korean Med Sci. 2017 Mar;32(3):522-527. doi: 10.3346/jkms.2017.32.3.522.
Frequency and Clinical Characteristics of Hydroxychloroquine Retinopathy in Korean Patients with Rheumatologic Diseases
Eo DR11, Lee MG1, Ham DI1, Kang SW1, Lee J2, Cha HS2, Koh E2, Kim SJ3.

Korean J Intern Med. 2017 Jan;32(1):158-164. doi: 10.3904/kjim.2015.229. Epub 2016 Mar 25.
Characteristics of hip involvement in patients with ankylosing spondylitis in Korea
Jeong H11, Eun YH1, Kim IY1, Kim H1, Lee J1, Koh EM1, Cha HS1.

Osteoporos Int. 2017 Jan;28(1):231-237. doi: 10.1007/s00198-016-3703-7. Epub 2016 Aug 10.
Bone-density testing interval and transition to osteoporosis in patients with rheumatoid arthritis
Hwang J11, Lee EK2, Ahn JK3, Cha HS4, Koh EM4, Lee J5.

PLoS One. 2016 Oct 13;11(10):e0164591. doi: 10.1371/journal.pone.0164591. eCollection 2016.
Evaluation of Audiometric Test Results to Determine Hearing Impairment in Patients with Rheumatoid Arthritis: Analysis of Data from the Korean National Health and Nutrition Examination Survey
Jeong H11, Chang YS2, Baek SY3, Kim SW3, Eun YH1, Kim IY1, Lee J1, Koh EM1, Cha HS1.

Ann Hematol. 2016 Jan;95(2):325-35. doi: 10.1007/s00277-015-2523-8. Epub 2015 Oct 10.
Clinical significance of bone marrow hemophagocytosis in adult patients with malignancy and non-malignancy-induced hemophagocytic lymphohistiocytosis
Lim SH11, Park S1, Jang JH1, Kim K1, Kim HJ2, Kim SH2, Kang CI3, Chung DR3, Peck KR3, Lee J4, Cha HS4, Koh EM4, Ko YH5, Kim WS1, Jung CW1, Kim SJ6,7.

PLoS One. 2015 Dec 30;10(12):e0145539. doi: 10.1371/journal.pone.0145539. eCollection 2015.
Metabolomic Elucidation of the Effects of Curcumin on Fibroblast-Like Synoviocytes in Rheumatoid Arthritis
Ahn JK11, Kim S2, Hwang J3, Kim J2, Lee YS4, Koh EM5, Kim KH2, Cha HS5.

Joint Bone Spine. 2015 Dec;82(6):473-4. doi: 10.1016/j.jbspin.2014.11.009. Epub 2015 Jul 14.
Body mass index and estrogen predict radiographic progression in the spine in ankylosing spondylitis
Jeong H11, Bea EK2, Lee J1, Koh EM1, Cha HS3.

J Rheumatol. 2015 Nov;42(11):2075-81. doi: 10.3899/jrheum.141447. Epub 2015 Sep 1.
Factors Associated with the Use of Complementary and Alternative Medicine for Korean Patients with Rheumatoid Arthritis
Han M11, Sung YK1, Cho SK1, Kim D1, Won S1, Choi CB1, Bang SY1, Cha HS1, Choe JY1, Chung WT1, Hong SJ1, Jun JB1, Jung YO1, Kim SK1, Kim TH1, Koh E1, Lee HS1, Lee J1, Lee JH1, Lee SS1, Nah SS1, Shim SC1, Yoo DH1, Yoo WH1, Yoon BY1, Jee SH1, Bae SC1.

PLoS One. 2015 Oct 16;10(10):e0141033. doi: 10.1371/journal.pone.0141033. eCollection 2015.
The Significance of Sensitive Interferon Gamma Release Assays for Diagnosis of Latent Tuberculosis Infection in Patients Receiving Tumor Necrosis Factor-alpha Antagonist Therapy
Jung YJ11, Woo HI2, Jeon K3, Koh WJ3, Jang DK4, Cha HS5, Koh EM5, Lee NY1, Kang ES1.

Int J Rheum Dis. 2015 Jul;18(6):661-8. doi: 10.1111/1756-185X.12458. Epub 2014 Sep 8.
Clinical characteristics of nonradiographic axial spondyloarthritis in Korea: a comparison with ankylosing spondylitis
Jeong H11, Yoon JY2, Park EJ3, Hwang J1, Kim H1, Ahn JK4, Lee J1, Koh EM1, Cha HS1.

Int J Rheum Dis. 2015 Jun;18(5):514-23. doi: 10.1111/1756-185X.12501. Epub 2014 Dec 20.
A novel histone deacetylase 6-selective inhibitor suppresses synovial inflammation and joint destruction in a collagen antibody-induced arthritis mouse model
Lee J11, Hong EC2, Jeong H1, Hwang JW1, Kim H1, Bae EK2, Ahn JK3, Choi YL4, Han J4, Cha HS1, Koh EM1.

Korean J Intern Med. 2015 May;30(3):391-7. doi: 10.3904/kjim.2015.30.3.391. Epub 2015 Apr 29.
Predictive factors of radiographic progression in ankylosing spondylitis
Kim H11, Lee J1, Ahn JK2, Hwang J1, Park EJ1, Jeong H1, Cha HS1, Koh EM1.

PLoS One. 2015 Mar 6;10(3):e0119260. doi: 10.1371/journal.pone.0119260. eCollection 2015.
QuantiFERON-TB Gold In-Tube Assay for Screening Arthritis Patients for Latent Tuberculosis Infection before Starting Anti-Tumor Necrosis Factor Treatment
Lee H11, Park HY1, Jeon K1, Jeong BH1, Hwang JW2, Lee J2, Cha HS2, Koh EM2, Kang ES3, Koh WJ1.

Korean J Intern Med. 2015 Mar;30(2):242-9. doi: 10.3904/kjim.2015.30.2.242. Epub 2015 Feb 27.
Clinical characteristics of male and female Korean patients with systemic lupus erythematosus: a comparative study
Hwang J11, Lee J1, Ahn JK2, Park EJ3, Cha HS1, Koh EM1.

Mod Rheumatol. 2015 Mar;25(2):292-7. doi: 10.3109/14397595.2014.939393. Epub 2014 Jul 28.
Obesity, metabolic abnormality, and knee osteoarthritis: A cross-sectional study in Korean women
Lee S11, Kim TN, Kim SH, Kim YG, Lee CK, Moon HB, Koh EM, Yoo B.

Invest Ophthalmol Vis Sci. 2014 Nov 25;56(1):396-402. doi: 10.1167/iovs.14-15138.
Macular Retinal Ganglion Cell-Inner Plexiform Layer Thickness in Patients on Hydroxychloroquine Therapy
Lee MG11, Kim SJ1, Ham DI1, Kang SW1, Kee C1, Lee J2, Cha HS2, Koh EM2.

Int J Rheum Dis. 2014 Nov;17(8):887-97. doi: 10.1111/1756-185X.12435. Epub 2014 Sep 29.
Pregnancy outcomes in patients with systemic lupus erythematosus: a retrospective review of 62 pregnancies at a single tertiary center in South Korea
Park EJ11, Jung H, Hwang J, Kim H, Lee J, Ahn JK, Cha HS, Koh EM.

Int J Rheum Dis. 2014 Jun;17(5):502-10. doi: 10.1111/1756-185X.12259. Epub 2013 Dec 14.
Clinical courses and predictors of outcomes in patients with monoarthritis: a retrospective study of 171 cases
Jeong H11, Kim AY, Yoon HJ, Park EJ, Hwang J, Kim H, Ahn JK, Lee J, Koh EM, Cha HS.

Clin Rheumatol. 2013 Dec;32(12):1791-7. doi: 10.1007/s10067-013-2365-5. Epub 2013 Sep 13.
Treating rheumatoid arthritis to target: recommendations assessment questionnaire in Korea
Park YB11, Koh EM, Kim HY, Park SH, Park W, Bae SC, Song YW, Yoo DH, Yoo B, Lee SK.

Rheumatol Int. 2013 Sep;33(9):2241-8. doi: 10.1007/s00296-013-2711-6. Epub 2013 Mar 2.
CIP2A facilitates apoptotic resistance of fibroblast-like synoviocytes in rheumatoid arthritis independent of c-Myc expression
Lee J11, Jeong H, Park EJ, Hwang JW, Huang B, Bae EK, Ahn JK, Cha HS, Koh EM.

Int J Rheum Dis. 2012 Oct;15(5):e80-9. doi: 10.1111/j.1756-185X.2012.01815.x. Epub 2012 Sep 27.
Pulmonary hypertension associated with rheumatic diseases: baseline characteristics from the Korean registry
Jeon CH11, Chai JY, Seo YI, Jun JB, Koh EM, Lee SK; pulmonary hypertension study group of Korean College of Rheumatology.

Rheumatol Int. 2012 Oct;32(10):2979-86. Epub 2011 Sep 7.
Clinical features and outcome of microscopic polyangiitis under a new consensus algorithm of ANCA-associated vasculitides in Korea
Ahn JK11, Hwang JW, Lee J, Jeon CH, Cha HS, Koh EM.

Rheumatol Int. 2012 Sep;32(9):2909-12. doi: 10.1007/s00296-010-1469-3. Epub 2010 Apr 4.
A case of ANCA-associated vasculitis presenting with calf claudication
Kim MY11, Bae SY, Lee M, Chung H, Lee J, Ahn JK, Cha HS, Koh EM.

Rheumatol Int. 2012 Jul;32(7):2023-30. doi: 10.1007/s00296-011-1927-6. Epub 2011 Apr 9.
CIP2A expression is associated with synovial hyperplasia and invasive function of fibroblast-like synoviocytes in rheumatoid arthritis
Lee J11, Park EJ, Hwang JW, Oh JM, Kim H, Bae EK, Choi YL, Han J, Ahn JK, Cha HS, Koh EM.

Semin Arthritis Rheum. 2012 Jun;41(6):745-51. doi: 10.1016/j.semarthrit.2011.09.007. Epub 2011 Dec 9.
Korean Observational Study Network for Arthritis (KORONA): Establishment of a Prospective Multicenter Cohort for Rheumatoid Arthritis in South Korea
Sung YK11, Cho SK, Choi CB, Park SY, Shim J, Ahn JK, Bang SY, Cha HS, Choe JY, Chung WT, Her M, Hong SJ, Hong YK, Joung CI, Jun JB, Jung YO, Kang YM, Kim DY, Kim HR, Kim HA, Kim J, Kim SK, Kim SI, Kim TH, Kim TJ, Koh E, Lee CK, Lee HS, Lee J, Lee SH, Lee SH, Lee SS, Lee SW, Lee YA, Nah SS, Park SH, Sheen DH, Shim SC, Gyu Song G, Suh CH, Uhm WS, Yoo DH, Yoo WH, Yoon BY, Bae SC.

Rheumatol Int. 2011 Oct;31(10):1363-8. doi: 10.1007/s00296-010-1437-y. Epub 2010 Apr 27.
Risk factors for development and progression of atlantoaxial subluxation in Korean patients with rheumatoid arthritis
Ahn JK11, Hwang JW, Oh JM, Lee J, Lee YS, Jeon CH, Cha HS, Koh EM.

Rheumatol Int. 2011 Jul;31(7):973-5. doi: 10.1007/s00296-010-1477-3. Epub 2010 Apr 10.
Non-traumatic fracture of the femoral shaft in a patient taking long-term bisphosphonate therapy
Ahn JK1, Lee J, Cha HS, Koh EM.

Inflammation. 2010 Dec;33(6):381-8. doi: 10.1007/s10753-010-9196-1.
Increased Extracellular Survivin in the Synovial Fluid of Rheumatoid Arthritis Patients: Fibroblast-like Synoviocytes as a Potential Source of Extracellular Survivin
Ahn JK11, Oh JM, Lee J, Bae EK, Ahn KS, Cha HS, Koh EM.

Medical treatment of rheumatoid arthritis (I): Nonsteroidal anti-inflammatory drugs, disease modifying antirheumatic drugs and glucocorticoids
Clin Rheumatol. 2010 Oct;29(10):1149-54. doi: 10.1007/s10067-010-1542-z. Epub 2010 Aug 4.
Extended dosing of etanercept 25 mg can be effective in patients with ankylosing spondylitis: a retrospective analysis
Lee J11, Noh JW, Hwang JW, Oh JM, Kim H, Ahn JK, Lee YS, Cha HS, Koh EM.

Exp Mol Med. 2010 Jun 30;42(6):428-36.
Slug suppression induces apoptosis via Puma transactivation in rheumatoid arthritis fibroblast-like synoviocytes treated with hydrogen peroxide
Cha HS11, Bae EK, Ahn JK, Lee J, Ahn KS, Koh EM.

Inflammation. 2008 Dec;31(6):365-71. doi: 10.1007/s10753-008-9087-x.
Adult onset Still's disease diagnosed concomitantly with occult papillary thyroid cancer: paraneoplastic manifestation or coincidence
Ahn JK11, Kim H, Lee J, Bae EK, Cha HS, Koh EM.

Clin Ther. 2009 Dec;31(12):2860-72. doi: 10.1016/j.clinthera.2009.12.016.
Comparative Clinical Trial of S-Adenosylmethionine Versus Nabumetone for the Treatment of Knee Osteoarthritis: An 8-Week, Multicenter, Randomized, Double-Blind, Double-Dummy, Phase IV Study in Korean Patients
Kim J11, Lee EY, Koh EM, Cha HS, Yoo B, Lee CK, Lee YJ, Ryu H, Lee KH, Song YW.

Inflammation. 2008 Dec;31(6):365-71. doi: 10.1007/s10753-008-9087-x.
Phenotypic Characterization and Invasive Properties of Synovial Fluid-Derived Adherent Cells in Rheumatoid Arthritis
Ahn JK11, Kim H, Lee J, Bae EK, Cha HS, Koh EM.

Joint Bone Spine. 2008 Oct;75(5):627-9; author reply 629. doi: 10.1016/j.jbspin.2008.06.003. Epub 2008 Sep 18.
Reply to the letter by Pierre Lafforgue on the case report entitled: "Periosteal reaction in systemic lupus erythematosus"
1,Lafforgue P.

Clin Exp Rheumatol. 2008 Jul-Aug;26(4):646-8.
Hypoxia appears at pre-arthritic stage and shows co-localization with early synovial inflammation in collagen induced arthritis
Jeon CH11, Ahn JK, Chai JY, Kim HJ, Bae EK, Park SH, Cho EY, Cha HS, Ahn KS, Koh EM.

Rheumatology (Oxford). 2008 Jun;47(6):834-9. doi: 10.1093/rheumatology/ken086. Epub 2008 Apr 9.
Role of hypoxia-inducible factor-1 alpha in hypoxia-induced expressions of IL-8, MMP-1 and MMP-3 in rheumatoid fibroblast-like synoviocytes
Ahn JK11, Koh EM, Cha HS, Lee YS, Kim J, Bae EK, Ahn KS.

Joint Bone Spine. 2007 Dec;74(6):650-2. Epub 2007 Aug 3.
Periosteal reaction in systemic lupus erythematosus
Ahn JK11, Lee YS, Chung HW, Cha HS, Koh EM.

Clin Exp Immunol. 2007 Jun;148(3):410-8. Epub 2007 Mar 15.
Glucocorticoid-induced tumour necrosis factor receptor-related protein-mediated macrophage stimulation may induce cellular adhesion and cytokine expression in rheumatoid arthritis
Bae E11, Kim WJ, Kang YM, Suk K, Koh EM, Cha HS, Ahn KS, Huh TL, Lee WH.

Clin Ther. 2007 May;29(5):862-73.
Assessment of comparative pain relief and tolerability of SK1306X compared with celecoxib in patients with rheumatoid arthritis: A 6-week, multicenter, randomized, double-blind, double-dummy, phase III, noninferiority clinical trial
Song YW11, Lee EY, Koh EM, Cha HS, Yoo B, Lee CK, Baek HJ, Kim HA, Suh YI, Kang SW, Lee YJ, Jung HG.

J Rheumatol. 2007 Jan;34(1):16-9.
Tumor necrosis factor-alpha induces vascular endothelial growth factor-C expression in rheumatoid synoviocytes
Cha HS11, Bae EK, Koh JH, Chai JY, Jeon CH, Ahn KS, Kim J, Koh EM.

Clin Immunol. 2005 Sep;116(3):217-24.
Cyclophilin A may contribute to the inflammatory processes in rheumatoid arthritis through induction of matrix degrading enzymes and inflammatory cytokines from macrophages (vol 116, pg 217, 2005)
Kim H11, Kim WJ, Jeon ST, Koh EM, Cha HS, Ahn KS, Lee WH.

Clin Immunol. 2005 Sep;116(3):217-24.
Cyclophilin A may contribute to the inflammatory processes in rheumatoid arthritis through induction of matrix degrading enzymes and inflammatory cytokines from macrophages
Kim H11, Kim WJ, Jeon ST, Koh EM, Cha HS, Ahn KS, Lee WH.

Immunology. 2005 Feb;114(2):272-9.
LIGHT is involved in the pathogenesis of rheumatoid arthritis by inducing the expression of pro-inflammatory cytokines and MMP-9 in macrophages
Kim WJ11, Kang YJ, Koh EM, Ahn KS, Cha HS, Lee WH.

Ann Rheum Dis. 2004 Oct;63(10):1244-9.
Association of the oestrogen receptor a gene polymorphisms with disease onset in systemic lupus erythematosus
Lee YJ11, Shin KS, Kang SW, Lee CK, Yoo B, Cha HS, Koh EM, Yoon SJ, Lee J.

Rheumatol Int. 2004 Jul;24(4):207-11. Epub 2003 Jul 26.
Inhibitory effect of cyclo-oxygenase-2 inhibitor on the production of matrix metalloproteinases in rheumatoid fibroblast-like synoviocytes
Cha HS11, Ahn KS, Jeon CH, Kim J, Koh EM.

Scand J Rheumatol. 2004;33(3):179-84.
Autoantibodies to glucose-6-phosphate isomerase are elevated in the synovial fluid of rheumatoid arthritis patients
Cha HS11, Kim TJ, Kim JY, Lee MH, Jeon CH, Kim J, Bae EK, Ahn KS, Koh EM.

J Korean Med Sci. 2003 Dec;18(6):917-20.
Idiopathic calcium pyrophosphate dihydrate (CPPD) crystal deposition disease in a young male patient: A case report
Ahn JK11, Kim HJ, Kim EH, Jeon CH, Cha HS, Ha CW, Ahn JM, Koh EM.

Clin Exp Rheumatol. 2003 Sep-Oct;21(5):593-8.
Influence of hypoxia on the expression of matrix metalloproteinase-1,-3 and tissue inhibitor of metalloproteinase-1 in rheumatoid synovial fibroblasts
Cha HS11, Ahn KS, Jeon CH, Kim J, Song YW, Koh EM.

Exp Mol Med. 2003 Aug 31;35(4):310-6.
Detection of antibodies against glucose 6-phosphate isomerase in synovial fluid of rheumatoid arthritis using surface plasmon resonance (BIAcore)
Kim JY11, Lee MH, Jung KI, Na HY, Cha HS, Ko EM, Kim TJ.

Int J Clin Pharmacol Ther. 2001 Dec;39(12):539-45.
Comparison of the efficacy and safety of naproxen CR and nabumetone in the treatment of patients with osteoarthritis of the knee
Cha HS11, Koh JH, Jeon CH, Lee CK, Kim JS, Koh EM.

J Korean Med Sci. 2000 Feb;15(1):83-7.
NRAMP1 gene polymorphisms in patients with rheumatoid arthritis in Koreans
Yang YS11, Kim SJ, Kim JW, Koh EM.

Scand J Rheumatol. 2000;29(5):288-94.
Pulmonary alveolar hemorrhage in patients with rheumatic diseases in Korea - Clinical presentation, treatment, survival, and outcome
Lee CK11, Koh JH, Cha HS, Kim J, Huh W, Chung MP, Koh EM.